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Memory address of variables in Java
...ddress of the object, but the object can be moved in memory by the VM over time. So (briefly) you can't rely on it being anything.
Getting the memory addresses of variables is meaningless within Java, since the JVM is at liberty to implement objects and move them as it seems fit (your objects may/w...
Bootstrapping still requires outside support
...ond version can then be used to compile itself, and the next version. Each time it is compiled the last version is used.
This is the definition of bootstrapping:
the process of a simple system activating a more complicated system that serves the same purpose.
EDIT: The Wikipedia article on co...
Disable migrations when running unit tests in Django 1.7
...his fools migrate into thinking that the app is unmigrated, and so
every time a test database is created it reflects the current
structure of models.py.
In Django 1.9, this situation is improved somewhat, and you can set the value to None:
MIGRATION_MODULES = {"myapp": None}
...
No Persistence provider for EntityManager named
...
Faced the same issue and couldn't find solution for quite a long time. In my case it helped to replace
<provider>org.hibernate.ejb.HibernatePersistence</provider>
with
<provider>org.hibernate.jpa.HibernatePersistenceProvider</provider>
Took solution from here
...
How to add pandas data to an existing csv file?
...so use a context manager, if you're opening and closing your file multiple times, or logging data, statistics, etc.
from contextlib import contextmanager
import pandas as pd
@contextmanager
def open_file(path, mode):
file_to=open(path,mode)
yield file_to
file_to.close()
##later
sav...
How to combine paths in Java?
...
I know its a long time since Jon's original answer, but I had a similar requirement to the OP.
By way of extending Jon's solution I came up with the following, which will take one or more path segments takes as many path segments that you ca...
How can I remove the outline around hyperlinks images?
...
Thank you, Discover. That had been bugging me for a long time -- not just the hyperlinked pics in IE, but regular pics w/ no hyperlink. It was annoying until I found your answer (via Google, not Stack, oddly enough).
– Jason Weber
Jan 16 '12 ...
Error “The connection to adb is down, and a severe error has occurred.”
...End Process. After that I go to cmd prompt and type adb start-server. This time adb statred succefully. I run eclipe and it was showing no error.
– Nishant
Apr 9 '12 at 10:14
...
Storyboard doesn't contain a view controller with identifier
...
Yes Its working !!!! some time Cleaning the xcode project will remove unwanted reference to project
– kiran
May 27 '16 at 9:29
3
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Cannot hide status bar in iOS7
...bclass in your app to override: prefersStatusBarHidden to return YES.
Any time your app needs the status bar appearance or visibility to change, and View-Controller Based Status Bar Appearance is set to YES, your outermost view controller needs to call:
setNeedsStatusBarAppearanceUpdateAnimation
...